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Firefox is used on Windows 11 Enterprise. There is a firefox.cfg in the installation directory (and an autoconfig.js in the ./defaults/pref sub-directory). Everything works fine when a pref(...); entry is written to the firefox.cfg. However, we want the firefox.cfg to call the pref(...); entries from a global_config.js which is saved on the machines public directory.

Therefore, the firefox.cfg says:

// free line lockPref("autoadmin.global_config_url","file:///C:/Users/Public/.../global_config.js");

But firefox does not load whatever prefs are written to the global_config.js. There probably is problems with the formatting of the file path (file:///C:/Users/Public/.../global_config.js). What would the correct formatting look like? Unfortunately, Mozilla´s support guide only includes an example code for a firefox.cfg which calls a global_config.js via http:, but not via file:.

We have an application running on Firefox and noticed that with new Firefox ESR, Ajax call (XMLHttpRequest ) from js script running on Firefox browser on thin clients seems to be blocked frequently (same call succeed most of the time, but blocked from time to time). Issue was raised starting with Firefox 128.2.0esr), but in general persist with newer Firefox ESR. We tried replacing XMLHttpRequest with fetch which seems making no much difference so far.

Hi. On an Active Directory, we deploy Firefox (normal or ESR). It's OK. When we deactivate the link of the GPO, it's supposed to uninstall. But it doesn't (even if we delete the GPO, specifying to uninstall at once).

The gpresult command on each computer doesn't show the GPO anymore, but Firefox is still installed.

( FYI, we used to do that with FrontMotion Community Edition, and it was always working (instal and uninstal). We even just tried the "last" (but old) ESR edition present on the FrontMotion site (CEESR-102), and it works. But FM CE version has stopped being developped. )

So, any idea about why the official Mozilla Firefox version (normal or ESR) doesn't uninstall?

Thanks by advance.

Dear Community,

i had .cfg file with following settings to clean up some userdata after closing firefox:

//Clean UP Cache etc. lockPref("privacy.sanitize.sanitizeOnShutdown", true); lockPref("privacy.clearOnShutdown.cache", true); lockPref("privacy.clearOnShutdown.cookies", false); lockPref("privacy.clearOnShutdown.offlineApps", true); lockPref("privacy.clearOnShutdown.sessions", false);

This cleaned the "Storage" Folder in the Firefox Profile folder, but cookies and sessions where remaining, so the logins where active.

Now i saw that all useres have lots of folders in the "Storage/Default" folder. After some research i found out that this behavior startet at 02.10.2024.

I also found a new pref: privacy.clearOnShutdown_v2.cookiesAndStorage which was set to "false". No idea where this key came from? When I set this key to "Yes", the storage is cleared after closing Firefox. But so also all the cookies. Was there a change at the prefs?

And is ther any other solution to clear the Storage but remain the cookies?

Thank you in advance!

After updating to v132 I have noticed a significant increase in the load times for some websites that our users connect to. Using v131.0.3 I usually see < 1 second load times for the two websites I am monitoring but after upgrading to v132 it is consistently taking 18-19 seconds for the same page. I have tried uninstalling v132 and reverting to v131 and it immediately goes back to the much faster load times. I have also tried installing various v133 releases and I see the same performance issue as for v132.

The environment I am working in is behind a network firewall with relatively restrictive internet access and I am wondering whether there are sites that Firefox is trying to connect to for the new anti-tracking or suspicious activity features (or anything else) that are being blocked and are therefore causing timeouts and retries that are bumping the total load time up.

Can anyone think of anything else I could check or change?

Hello,

I would like to create Managed Bookmarks for our company and distribute them via Group Policy. However, I am unable to create subfolders for these Managed Bookmarks, so they would all be in one folder and quite disorganized, which is why I need subfolders. Can I map this using a JSON file, and if so, could someone assist me with the structure of the JSON file?

Thank you in advance!

Kind regards

Hi,

I need to ask regardining this security.cert_pinning.enforcement_level. how can i set this value using the windwos server GPO? i could not find this even after copying the firefox.admx file. could someone please guide me how can i acheive it?

I would really appreciate the help!

Regards Sheras

Login to o365 email does not work on Firefox browsers after enabling the Conditional Access policy based on compatible devices

Firefox does not send device details, resulting in a device incompatibility message

Does Firefox support this?

There is an example of missing device ID in the attachment

We use Firefox ESR in our environment today, Is it possible to have a policy that would display "update required" message to end-users, or have it automatically update without users opening the browsers.

Debian 12 Linux on Dell laptop. Current "updated version" Firefox ESR 128.4.0esr (64bit) I received an update notice for Firefox ESR this morning. After running the Update, I lost the status bar. How can I get it back?

Hi, I am in a company where there is 100 and more devices with firefox on it. Right now we are facing a problem where some of it are using version way back into the days such as version 100 115 117 and such. We enabled auto updating but it only updates to version 127 whereas the latest version is 132. We are required to open firefox again for multiple time b4 it gets the latest version. Is there any way to jump those stages and straight updates to the latest version?

Are there any plans to make configuration of the setting "network.proxy.system_wpad" available via ADMX (grouppolicy under Windows)? We need to deploy this to 100 computers and I still have no idea how.

Feature was introduced in FF 125: https://support.mozilla.org/en-US/kb/firefox-enterprise-125-release-notes We currently use 128.4.0esr.

We need this configuration, so Firefox also uses "automatic configuration" which is set in system settings.

[this is a cross-post from [Firefox forum])